Axial fan



FIG. 1 is a perspective view of an embodiment of the axial fan of the invention;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top axial view thereof; and,

FIG. 7 is a bottom axial view thereof.

The broken line showing of portions of an axial fan is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for an axial fan, as shown and described. 